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Cynthia A. Chan, MD

NPI 1912090895ActiveIndividual· Internal Medicine· Clackamas, OR

Internal Medicine (MD) in Clackamas, Oregon, trained at Ponce School of Medicine (class of 2000). Part D covered 159 prescriptions written in 2024, 75% of them generic.

Overview

NPI1912090895
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 2, 2006
Last updated in NPPESMar 4, 2026
Certified by providerMar 4, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XMD26857OR
Hospitalist208M00000XMD26857OR

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (OR); Practitioner - Internal Medicine (WA)

Part D prescriptions in 2024

Prescriptions (claims)159 · 180 30-day fills
Patients109
Total drug cost$5,200
Generic share75% of claims

Medicare sources and data years

Education and affiliations

Medical schoolPonce School of Medicine
Graduation year2000
Medicare specialtyInternal Medicine

Medical groups

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine providers in Clackamas

All Internal Medicine providers in Oregon →